So, Calvin Harris enlisted Pharrell ‘Maker Of Happy’ Williams, Katy ‘Always Happy’ Perry, and Big ‘Happiest Emcee From Detroit’ Sean to give us the “Feels”… or in the case of the clip embedded above… a preview of the song. Technically, it’s a preview of an album preview of the “Funk Wav Bounces Vol. 1” (out on iTunes tomorrow).